{
  "manageEntity": {
    "action": "Repost",
    "entityId": "900903",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9e589b1912408776872655b9703d4f6954653330784875524a8cec93b595a29c",
    "signature": "0x4464a098eb977036ac29750d6980f2d908f2233fbef95d325583a195b35f68df09b1e5a650b81099c1dc09ed657b5ce6b990044df0613ab48c1b3251297d4bc61c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}